CN2087535U - High-gradient field permanent-magnet de-ironing separator - Google Patents

Abstract

The utility model relates to a device for a magnetic separation technique on industry, in particular to a device for de-ironing the kaolin slurry of a ceramic industry, de-ironing the cast sand and the silica sand of a metallurgical industry and processing the circulation water of chemical plants, mainly comprising a magnetic circuit system and an excitation component. When the device is used for processing silt slurry, the device needs to be added with a slurry inlet and outlet joint, a valve, a sealing component and a housing, and when the device is used for processing powder materials, the magnetic circuit system can be made into a plate type. The utility model has simple structure, no power consumption and high de-ironing efficiency, and after ceramic raw materials are processed through the device, the utility model obviously raises the whiteness of porcelain, eliminates iron spots and air bubbles and raises the grade of the porcelain.

Description

High-gradient field permanent-magnet de-ironing separator

The present invention relates to the equipment that a kind of industrial magnetic separation technique is used, especially for ceramic industry, the husky deironing of casting in the deironing of kaolin slurry and the metallurgy industry, the treatment facility of husky deironing of silicon and chemical plant cycling use of water.

Many industrial departments require very strict to the raw material iron content.For example ceramic industry, be one of critical process, but the equipment for removing ferric ion of domestic ceramic industry all is an electromagnetic type, utilizes the magnetic field that spiral winding produced of energising, the ferromagnetic material during absorption mud is poor to the deironing of kaolin slurry.

The electromagnetic type tramp iron separator is big current work under wet environment, and the easy short circuit of coil makes equipment scrapping, has a power failure as accident, and the ferromagnetic material of tramp iron separator absorption will flow into stock tank with slurry, influence ceramic mass by the gross.Its de-ferrous effect does not satisfy the more and more stricter desired deironing requirement of ceramic industry, the iron-holder of slurry can only be dropped to 0.68% from 0.9%, and the disadvantage of electromagnetic type tramp iron separator is that also volume is big, benzene heavy, power consumption is high.As SCF-50 type electric magnetic iron remover, 3 tons of mud conditionings/time, 500 kilograms of weights of equipment, power 2.5KW, CST-162 type electric magnetic iron remover, 3 tons for the treatment of capacities/time, 500 kilograms of weights of equipment, power 1KW

List of references: 1, Wenzhou, wash rice river motor three factory's product descriptions

CST-162 type electric magnetic iron remover specification

The objective of the invention is to overcome the shortcoming and defect of above-mentioned tramp iron separator, the no energy-dissipating device of provide the senior casting of a kind of kaolin raw slurry that is used for ceramic industry, foundry industry husky, silicon is husky, waste oil, waste water deironing are used, volume is little, lightweight high gradient field permanent-magnetic iron expeller.

The utility model equipment adopts the gradient fields magnetic structure, utilizes high strong permanent magnet material to be magnetic source, and the magnetic field of working space becomes gradient to distribute, and the half period gradient surpasses 1 tesla, and magnetic structure and Distribution of Magnetic Field figure see Fig. 1.The utility model high gradient field permanent-magnetic iron expeller is mainly made permanent-magnetic clamp and several magnetism-isolating loops and magnetic current tube by the magnet steel of several permanent magnets and is formed magnetic circuit, and other accessory composition, is elaborated below in conjunction with accompanying drawing.

Figure one is magnetic structure and Distribution of Magnetic Field figure

Figure two is a kind of structure charts of high gradient field permanent-magnetic iron expeller

The utility model is by two most compositions, and one is the gradient fields magnetic structure, and it two is excitation components.Be used for eliminating the tramp iron separator structure of mud feed liquid iron shown in the figure two, so owing to be that treat liquid will add seal plug (4) at magnetic current tube (6) two, (11), and sealed rubber packing ring (13) and casting coping (14) are arranged at the mud outlet connection, its effect prevents that mud from spraying out and preventing oxidation, the tramp iron separator bottom is welded in down on the ring flange (23) in fixing tape hole by bending metallic support (2), entire equipment is placed on the ground reposefully, support (2) is outer to be with metal shell (3), and a mud outlet connection (12) is arranged at its top; Mud inlet union (1) is fixed on the ring flange (23), and it is with common water pipe threeway; Space below the ring flange (23) is the space that residual slip is detained; On ring flange (23), fix magnetic backflow tube (6) and other assembly of making of permeability magnetic materials such as pure iron or mild steel, other assembly is included in and places several permanent-magnetic clamps (10) in the magnetic backflow tube (6), it is combined into fan-shaped permanent-magnet steel, the magnetizing direction of adjacent two rings is opposite, also comprise magnetism-isolating loop (7), permanent-magnetic clamp (10) is alternate with magnetism-isolating loop (7) and put, form magnetic four tunnel, magnetism-isolating loop (7) adopts plastics, aluminium, copper etc. are made, and comprise that the magnetic conductive pole piece (9) that the no magnetic of usefulness more than 2 has shading ring (8) that the rust steel does and corresponding several pure iron to do is welded into the magnetic pole tube, the magnetic pole tube is guided to workplace with the magnetic flux in this magnetic structure, prevents that again mud from entering in the magnetic structure.Magnetic four stream tubes adopt rubber washer (5) up and down and with plug (4) (11) sealing that no magnetic material is done, prevent that mud from entering magnetic structure.The inner core of making of stainless steel (19) is installed on ring flange (23) one side with holes, gap between it and the magnetic sheet tube is that 0.1-0.3mm can be slided to fit over and places a cover excitation component in the inner core (19), the magnetic conduction sheet more than 2 (17) that it is done by pure iron is alternately placed with the antifreeze plate (18) of corresponding magnetism-free stainless steel and is formed, and Fig. 3 is the magnetic conduction sheet structural representation; Magnetic conduction sheet is made inner core (19) by pure iron or high permeability material has last stator (16) to reach stator (21) down, (20) be lute, set bolt (15) string that band lifts suspension ring is lived (17), (18), (16), (21) and with the fixing formation assembly that can take out of clamp nut (22), whole inner core (19) forms the working space of sizing material iron removing, mud passes from the slit group Kong Zhongcheng eddy current shape of excitation component, numerous magnetic conduction sheet (17) and antifreeze plate (18) adsorb the ferromagnetic material in the mud effectively.The relative magnetic system of excitation component, be in the position of balanced, symmetrical, magnetic system can be cancelled each other to the magnetic attraction of excitation component, therefore can from magnetic system, take out or put into the magnetic pole tube easily, the residual mud import is connected on the lower port of mud import three-way connection (24), and extend to outside the metal shell (23) with the mud inlet tube, a valve (24) and (25) gauge tap flow respectively are housed.When tramp iron separator is worked, close residual slip valve (25), open mud imported valve (24) and outlet valve (26), enter three-way connection (1) and in inner core (19), pass excitation component in the slurries of handling, thereby remove ferromagnetic material, it is stand-by that clean slurries flow out tramp iron separator outlet valve (26).

Further specify multiple structure of the present utility model below in conjunction with embodiment.

Embodiment 1

Present embodiment adopts the structure of the high gradient field permanent-magnetic iron expeller of above-mentioned figure two, and this structure is applicable to the deironing of handling the slurries material that flows.It is manufactured and adopts pure iron magnetic circuit tube (6), be of a size of Φ external diameter 108mm * Φ internal diameter 98m * 220mm(axial length), place 5 collar-shaped Nd-Fe-B magnet steels (10) in the tube, be of a size of Φ external diameter 98mm * Φ internal diameter 70mm * 28mm(axial length), spacing 15mm between the magnet steel, the gap is filled out and is put plastics magnetism-isolating loop (7), the magnetic pole tube is made up of magnetic pole piece (9) and shading ring (8), make the liner of magnet steel, the axial length of pole shoe (9) and shading ring (8) is corresponding with the axial length of magnet steel (10) and magnetism-isolating loop (7) respectively, overall size is the length of Φ external diameter 70mm * Φ internal diameter 66mm * 200(axle) mud imports and exports pipelines (1) and (12) and receives respectively on mounting flange (23) and the plug (11), and being 2 " manages.

Open the top cover (14) in the outlet conduit, excitation component can be put in the magnetic pole tube, perhaps it is therefrom taken out.

In the excitation component, non-magnetic rustproof steel inner cylinder (19) is of a size of Φ external diameter 65.5 * Φ internal diameter 62.5 * 240mm(axial length), the magnetic conduction sheet that put the inside (17) as shown in Figure 3, the gap of magnetic conduction sheet is 1.5mm.

Totally 3 on bending support (2), equally distributed being soldered on the mounting flange (23), shell (2) is close to support, material is that the thick iron plate of 1mm is made, and end diameter is 350mm, height 450mm, the shell baking vanish is handled, by proportion is 1.4 mud, and treated mud iron-holder drops to 0.15% from original 0.9%, and corresponding porcelain spare whiteness is brought up to 67 ° from 62 °;

With top same structure, handling proportion is the wet type silicon sand of 1.4-1.5, and the husky iron-holder of treated silicon drops to 0.04% from original 0.07%, can replace the senior silicon sand of at present a large amount of imports.

Embodiment 2

The utility model is manufactured a kind of processing waste water (chemical plant cycling use of water), through the magnetized recirculated water of strong magnetic fabulous antiscaling effect is arranged.Adopt embodiment 1 described structure and device size, just the excitation component in the handle assembly takes down, and fixes a magnetic pole tube and other parts get final product on ring flange (23).

Embodiment 3

A kind of structure chart of the high sample degree of Fig. 4 field permanent-magnetic iron expeller

Fig. 4 is another form of above-mentioned tramp iron separator structure, and it is applicable to handles the deironing of working fluid material, and it is mainly by iron circuit board (27), and Nd-Fe-B magnet steel (28), magnetism-free stainless steel division board reach (29) and aluminum shell (30) constitutes.

Totally 6 of iron circuit boards (27), thick 5mm, chi rain are that 400mm(is long) * 200mm(is wide) * the 80mm(height), 6 blocks of road plates unify.

Except about the one side of road plate of end place the magnet steel, left and right two faces of all the other 4 blocks of road plates are all placed magnet steel (28), it is long that magnet steel is of a size of 35mm() * 8mm(is wide, magnetizing direction) * the 15mm(height), each face is all placed 30 spacing 10mm between the magnet steel magnet steel, symmetry is placed, the magnet steel of placing on every block of road plate, and adjacent magnetizing direction is opposite.

Install the adjacent road plate of magnet steel, their spacing is 15mm, and this spacing is a slurry channel.

Magnetic isolation plate (29) is near magnet steel, with magnetic steel gap be 0.3 millimeter, thickness 1mm is used to protect magnet steel.Shell is aluminium (thick 2mm) or plank manufacturing, and it is long to be of a size of 850mm() * 210mm(is wide) * 85mm(is wide)

Embodiment 4

Fig. 5 is another structure chart that high gradient field permanent magnetism removes chinaware

Present embodiment adopts the structure manufacturing of Fig. 5, it is used for eliminating the ferromagnetic of powdered substance, it is husky that particularly suitable is handled senior casting, drive the axle (34) that its iron is done with belt, axle (34) is gone up and is placed the magnetism-isolating loop of making of brass (33), and magnetism-isolating loop (33) is the outer 98 * axial width 17mm of 70 * Φ in the Φ.Magnetism-isolating loop (33) is all used 43 alternate placements with (32) permanent-magnetic clamp of making of Nd-Fe-B magnet steel.Permanent-magnetic clamp (32) puts a travelling belt (31) that 600mm is wide then for the outer 98mm of Φ internal diameter 70mm * Φ * axial width 28mm, and below belt, place a division board (36), its available aluminium sheet or plank, present embodiment adopt the thick aluminium sheet of 2mm to be fixed on and play the separation iron powder on the ground.

The utility model is owing to adopt the high strength permanent magnet material to do magnet steel and application gradient fields magnetic structure, this equipment of making can surpass 1.2 teslas at the half period magnetic field gradient, the in addition excitation component effect in the magnetic system, make again the absolute value in working space magnetic field bring up to 1.3 teslas, therefore it has best except ferrum property, under similarity condition, compare with electric magnetic iron remover, the mud iron-holder was 0.68% after electric magnetic iron remover was processed, and the mud iron-holder after processing with the utility model tramp iron separator is 0.15%, and the whiteness that makes porcelain piece improves 5 degree, second advantage is that the utility model is in light weight, volume is little, not power consumption when the 3rd advantage is the utility model work, no temperature rise, safe and reliable, thereby overcome the electromagnetic type tramp iron separator because having a power failure suddenly, the ferromagnetic material that adsorbs in its equipment pours stock tank with mud affects the by the gross disadvantage of porcelain piece quality.

Claims (5)

1, a kind of high gradient field permanent-magnetic iron expeller that includes one group of permanent-magnet steel, it is characterized in that: report boots (9) to be welded into the magnetic pole tube alternately by several magnetism-free stainless steels shading ring of makeing (8) and the magnetic conduction that pure iron is made, and be placed in the magnetic current tube (6), between magnetic current tube (6) and magnetic pole tube, place and be combined into permanent-magnetic clamp (10) with fan-shaped permanent-magnet steel, two adjacent ring magnetizing directions are opposite, place a magnetism-isolating loop (7) between two permanent-magnetic clamps (10), form required magnetic flux, place 2 above permanent-magnetic clamps in the magnetic current tube.

2, by the described high gradient of claim 1 field permanent-magnetic iron expeller, it is characterized in that: a stainless steel inner core (19) is arranged in the magnetic pole tube in magnetic cylinder (6), inner core (19) is 0.1mm-0.3mm with magnetic pole tube gap, place a cover in the inner core (19) and alternately place the excitation component of forming by some magnetic conduction sheets (17) and antifreeze plate (18), set bolt (5) string that lifts suspension ring with band is lived magnetic conduction sheet (17), antifreeze plate (18), last stator (16) is stator (21) down, and fixing with nut (22); Magnetic backflow tube (6) two seals with metal plug (4), (11), magnetic backflow tube (6) is fixed on the ring flange (23), ring flange is welded on the bending metal frame (2), inner core (19) is aimed in hole on ring flange (23), and install a mud inlet union (1), (25) are cut down in a mud inlet valve of mud inlet union band (24) and residual mud outlet; Metal shell (3) is enclosed within outside the bending metal frame (2), and a mud outlet connection (12) is arranged in the side on top, top elastic tape (13) and casting coping (14) sealing and fixing.

3, by the described high gradient of claim 1 field permanent-magnetic iron expeller, it is characterized in that: described iron circuit drives iron axle (34) with belt (31), goes up several magnetism-isolating loops of alternate placement (33) and 43 permanent-magnetic clamps (32) at iron axle (34).

4, by the described high gradient of claim 1 field permanent-magnetic iron expeller, it is characterized in that: described permanent-magnetic clamp (10) is manufactured with Nd-Fe-Bo permanent magnet material, and magnetism-isolating loop (7) is made with plastics, aluminium, copper, NULL.

5, by the described high gradient of claim 1 field permanent-magnetic iron expeller, it is characterized in that: antifreeze plate (18) is made with magnetism-free stainless steel, magnetic conduction sheet (17) pure iron or high permeability material.

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